Pressurized game ball (e.g. tennis ball) having long lasting...

Details Pressurized game ball (e.g. tennis ball) having long lasting... Pressurized game ball (e.g. tennis ball) having long lasting...

A - Human Necessities

63

B

273/174

A63B 41/00 (2006.01) A63B 39/00 (2006.01)

Patent

CA 1098925

GT-889 INFLATED GAME BALL HAVING LONG LASTING PRESSURE RETENTION ABSTRACT OF THE DISCLOSURE A pressurized game ball including an air-permeable elastomeric wall defining a cavity containing a compressible inflation gas with the improvement being that the inflation gas includes predetermined mixed amounts of air and sulfur hexafluoride (SFe) gas which effectively enables the ball to retain its pressurized state within a desired range of pressures for a period of time significantly longer than the ball would remain pressurized if the inflation gas were air alone.

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